>> Other than the government saying he has done irreparable harm
He certainly damaged the image of the NSA.
Concerning documented evidence disseminated by Snowden, is any of it in the public domain?
No he did not. Those in the NSA who knew they were undertaking wholly unconstitutional acts by their extensive data collection were the one's who did the damage...
The damage is well deserved. This agency will turn very, very evil if the right people are in charge.